which choice is equivalent to the fraction below? (hint, rationalize the denominator and simplify.) 3-√3/3+√3 A. 2 B. 2-2√3 C. 2-√3 D. 3-2√3​

for calculating weighted mean of 64 patients with pulmonary tubfor calculating weighted mean of 64 patients with pulmonary tuberculosis by age group in Baghdad, find the arithmetic mean of the age of these patients, where Xj fj = 1660erculosis by age group in Baghdad, find the arithmetic mean of the age of these patients, where Xj fj = 1660

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: